this derivation will be built:
  /nix/store/5z8d71mdpfpbd4md76wqvx95rm7hkb8q-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/5z8d71mdpfpbd4md76wqvx95rm7hkb8q-bcachefs-module-7.0.0-38-generic.drv'...